If it's not what You are looking for type in the equation solver your own equation and let us solve it.
q in (-oo:+oo)
1/13 = q // - q
1/13-q = 0
1/13-q = 0 // - 1/13
-q = -1/13 // * -1
q = 1/13
q = 1/13
| 3a+3=4a+5solve | | 3x+2=6+1+7 | | 10n^2-35n+65n= | | -1.4-0.666666667y=-1.75 | | 1.26w+3.91=9.54 | | 45h+24h= | | 12+53x=7x+3 | | 14x+20-92=180 | | 4m+12=7m-6 | | 45h+24h=810 | | -4x-54=-6x+36 | | 20r+4+9r=34-5r-6+18r | | 7x^2+80=0 | | -4x-9x+11=-288 | | 5(2x-2)+53=7x-8 | | 249/843 | | -7x+15=-3x+35 | | 714y-6=799*98784 | | 111*d=12321 | | 3x+(x-30)=180 | | 1/3x-18=x-6 | | 8c^2-8c= | | 27=4-2x+3 | | 4(2x-3)=2(3x-8) | | 2x+x+12=90 | | x^3/4(x^1/2)^3/2 | | f(x)=5x^2+100x+504 | | -6x-7=3x-2 | | 5.2-X=-18.73 | | 2(-x+6)=10x-3 | | 80x+10(1.5x)=1730.77 | | -4n-8=-12+8 |